题解 | #判断闰年#

#include<iostream>
 
using namespace std;
 
int main(){
    int n;
    cin>>n;
    if(n%100==0){
        if(n%400==0)
            cout<<"yes"<<endl;
        else
            cout<<"no"<<endl;
    }
    else{
        if(n%4==0)
            cout<<"yes"<<endl;
        else
            cout<<"no"<<endl;
    }
    return 0;
}